Article
Gap resection matters in BRCA mutant cancer.
Genes & development - 2 May 2025
Zou Lee
Abstract excerpt
Cancer cells deficient in BRCA1/2 have impaired DNA repair, making them sensitive to PARP inhibitors (PARPis). In this issue of Genes & Development, Seppa and colleagues (doi:10.1101/gad.352421.124) investigated how BRCA1 protects single-stranded DNA gaps from nucleolytic processing. They showed that PARPi-induced gaps are rapidly resected by several exonucleases bidirectionally and filled by translesion...
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